Armchair



FIG. 1 is a front view of an armchair according to my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view showing the armchair in areclining position; and,

FIG. 7 is a view similar to FIG. 6 but from the right side.

I claim the ornamental design for an armchair, as shown and described.